Cool mist impeller humidifier



FIG. 1 is a front, right side and top perspective view of a cool mist impeller humififier;

FIG. 2 is a right side elevational view thereof; The left side elevation is a mirror image of the right side elevation;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a cool mist impeller humidifier, as shown and described. 